When you are talking to someone or texting:
Person: I kissed your boyfriend, I am sorry.
You: oh you FYS
by TheGirlWithTheRedLips November 25, 2015
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"School is over forever!'
"FY, man!"
by the_grad June 7, 2005
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internet acronym for "Fuck Yeah!"

(people often mistaken the "!" as an inverted "i" expecting it to be FYI or "for your information")
Dana : Seen that movie?
Ray : FY!
Dana : IKR?
Ray: :-)
by Andrei "CodeCalibre" January 22, 2011
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Short for "f**k you"
- Oops! Did I break it??
- FY, man!!
by Sam Star November 28, 2004
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Abbreviation of "Fuck you sayin", which is a shortened version of the rhetorical question "What the fuck is you saying?" Similar to FOH and FYM, this is a way to tell a person that you dont give two fucks about what they're saying to you rite now.
Me: The PS3 has Metal Gear. Playstation >>>>> Xbox

You: Yeah thats true. Except I have both systems, and Xbox has Halo, so FYS!!
by TheBx41 September 21, 2012
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Abrieviation for "fuck your self"
Can also be used as 'gfys' - abrieviation for "go fuck yourself" or "go and fuck yourself"
by SainsburysIsPog October 5, 2020
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Used as a prefix on maps in Counter-Strike that means "fight yard." The most fun maps of them all.
N00B: OMG LETS PLAY FY_POOLDAY~~~~~~~
NOOB2: OMG YES THAT MAP IS DA UBER LEET PWNZ0RZ!!11111oneoneone
by KunzileUD July 1, 2005
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